Abstract: An evaluating method for a useful lifespan of a conductive gel is applied to a non-implantable electrical stimulation device. The non-implantable electrical stimulation device includes an electrical stimulator and an electrode assembly. The electrical stimulator is detachably electrically connected to the electrode assembly. The evaluating method for the useful lifespan of the conductive gel includes the following steps. A first measuring signal is generated, and the first measuring signal flows through a conductive area to generate a first signal to be tested. The first signal to be tested is received. The first total impedance value is obtained according to the first signal to be tested. The impedance value of the conductive gel is obtained according to the first total impedance value, so as to evaluate the useful lifespan of the conductive gel.

Abstract: An inspection device for inspecting an analyte in a liquid is provided, including a light source module, a first polarizing member, a second polarizing member, a sensing member, and a calibration assembly. The light source module provides a light, and the first polarizing member is disposed between the light source module and the second polarizing member. An accommodating space for accommodating the aforementioned liquid is formed between the first polarizing member and the second polarizing member. The second polarizing member is disposed between the first polarizing member and the sensing member. When the inspection device inspects the liquid, a portion of the light passes through the first polarizing member, the liquid, and the second polarizing member and reaches the sensing member, and another portion of the light enters the calibration assembly.

Abstract: An electrical stimulation method is provided. The electrical stimulation method is applied to an electrical stimulation device. The steps of the electrical stimulation method include obtaining a target energy value; providing an electrical stimulation signal to a target area; calculating a total energy value according to an energy value transmitted from the electrical stimulation signal to the target area; and determining whether the total energy value has reached the target energy value.

Abstract: An electrical stimulation method for impedance compensation is applied to a non-implantable electrical stimulation device that provides high-frequency electrical stimulation. The non-implantable electrical stimulation device includes an electrical stimulator and an electrode assembly. The electrical stimulator is detachably electrically connected to the electrode assembly. The electrical stimulation method for impedance compensation includes the following steps. A high-frequency environment is provided and the first impedance value of the electrode assembly is calculated according to at least one of the measured first resistance value, first capacitance value, or first inductance value of the electrode assembly. The high-frequency environment is provided and the second impedance value of the electrical stimulator is calculated according to at least one of the measured second resistance value, second capacitance value, or second inductance value of the electrical stimulator.

Abstract: An electrical stimulation method for determining the quality of an electrical-stimulation signal is provided in the invention. The electrical stimulation method is adapted for use in an electrical-stimulation device for performing an electrical stimulation. The electrical stimulation method may include the steps of generating the electrical-stimulation signal; sampling the electrical-stimulation signal; performing a fast Fourier transform on the sampled electrical-stimulation signal; and determining whether the signal quality of the electrical-stimulation signal on which the fast Fourier transform was performed meets a threshold.

Abstract: An electrical stimulation method is provided in the present disclosure. The electrical stimulation method is applied to an electrical stimulation device. The electrical stimulation method includes the steps of using the electrical stimulation device to obtain an electrical stimulation level, wherein the electrical stimulation level corresponds to the target energy; and using the electrical stimulation device to perform the electrical stimulation on the target area of a target object according to the target energy, wherein during the electrical stimulation, all electrodes of the electrical stimulation device are activated.

Abstract: An impedance-monitoring method, applied to an electrical-stimulation device and a lead, is provided. The electrical-stimulation device stores a first impedance value of the electrical-stimulation device and a second impedance value of the lead. The method includes the following steps: utilizing the electrical-stimulation device to generate an electrical-stimulation signal, and to perform electrical stimulation on a target area using the electrical-stimulation signal; utilizing the electrical-stimulation device to sample the electrical-stimulation signal to calculate a total impedance value corresponding to the electrical-stimulation signal; and utilizing the electrical-stimulation device to calculate a tissue-impedance value according to the total impedance value, the first impedance value of the electrical-stimulation device, and the second impedance value of the lead. The tissue-impedance value is used to calculate the energy value of the electrical-stimulation signal transmitted to the target area.

Abstract: An electrical stimulation method for impedance compensation is provided. The electrical stimulation method for impedance compensation is applied to an electrical stimulation device for providing high frequency electrical stimulation. In the above method, by an impedance compensation device, a high-frequency environment is provided and a first impedance value of a lead is calculated according to at least one of a measured first resistance value, a measured first capacitance value and a measured first inductance value of the lead is calculated. By the impedance compensation device, the high-frequency environment is provided and a second impedance value of the electrical stimulation device is calculated according to at least one of a measured second resistance value, a measured second capacitance value and a measured second inductance value of the electrical stimulation device. The first impedance value and the second impedance value are stored for calculating a tissue impedance.

Abstract: An electrical stimulation method is provided in the disclosure. The electrical stimulation method is applied to a non-implantable electrical stimulation device, wherein the non-implantable electrical stimulation device includes an electrical stimulator and an electrode assembly. The electrical stimulator is detachably electrically connected to the electrode assembly. The electrical stimulation method includes the following steps. The electrical stimulator provides an electrical stimulation signal. The electrical stimulation signal is transmitted to a target area through the electrode assembly. The total energy value is calculated according to the energy value of the electrical stimulation signal.

Abstract: An electrical stimulation method is provided. The electrical stimulation method is applied to an electrical stimulation device and an external control device. The electrical stimulation method includes the following steps. The predetermined electrical stimulation level that corresponds to the predetermined target energy is obtained by the external control device. The predetermined target energy is one of the target energies in the first target energy set. The external control device selects the target energy upper bound and the target energy lower bound from the first target energy set according to the predetermined electrical stimulation level. The external control device generates a second target energy set according to the target energy upper bound and the target energy lower bound. The electrical stimulation device performs electrical stimulation of the target area of a target object according to the second target energy set.

Abstract: An impedance monitoring method is applied to a non-implantable electrical stimulation device including an electrical stimulator and an electrode assembly. The electrical stimulator is detachably electrically connected to the electrode assembly, and stores the impedance values of the electrical stimulator and the electrode assembly. The impedance monitoring method includes the following steps. The electrical stimulator generates an electrical stimulation signal. The electrical stimulation signal performs electrical stimulation of a target area through the electrode assembly. The electrical stimulator samples the electrical stimulation signal to calculate the total impedance value corresponding to the electrical stimulation signal. The electrical stimulator calculates the tissue impedance value according to the total impedance value, the impedance value of the electrical stimulator, and the impedance value of the electrode assembly.

Abstract: The present disclosure provides an electrical stimulation device. The electrical stimulation device includes a signal receiving circuit and a signal processing circuit. The signal receiving circuit receives and outputs a frequency signal. The signal processing circuit receives the frequency signal and provides an electrical stimulation signal according to the frequency signal.

Abstract: An electrical stimulation device includes a signal receiving circuit, a rectifying circuit and a signal processing circuit. The signal receiving circuit receives and outputs a frequency signal. The rectifying circuit receives the frequency signal and rectifies the frequency signal to generate a rectifying signal. The signal processing circuit receives the rectifying signal to generate an electrical stimulation signal.

Abstract: An implantable inspecting device for inspecting an analyte in a liquid is provided, including a hollow carrier, a light source, a first polarizing member, a second polarizing member, and a sensor. The hollow carrier includes an accommodating space and at least one cavity portion communicated with the accommodating space. The light source, the first polarizing member, the second polarizing member, and the sensor are disposed in the accommodating space. The light from the light source passes through the first polarizing member, the liquid, and the second polarizing member to reach the sensor.

Abstract: An electrical-stimulation device includes an electrical-stimulation signal-generating circuit, a first connection unit, a first conductive member and a second conductive member. The electrical-stimulation signal-generating circuit has a first channel for providing a first electrical-stimulation signal. The first connection unit has a plurality of first contact points and a plurality of second contact points, wherein the first contact points and the second contact points are alternately arranged. The first conductive member is connected to the first contact points. The second conductive member is connected to the second contact points. The first conductive member and the second conductive member are electrically connected to the first channel, so that the first electrical-stimulation signal is transmitted through the first contact points and the second contact points corresponding to the first channel.

Abstract: An electrical stimulation device includes an electrical stimulation signal generating circuit. The electrical stimulation signal generating circuit has a first channel for providing a first electrical stimulation signal and a second channel for providing a second electrical-stimulation signal.

Abstract: An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.

Abstract: An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.